Database index

Functions

create_index(Function f,Charstring par,Charstring indtype,
            Charstring multiplicity)->Vector

Create index identifier on function f, at parameter par, index type is indtype, multiplicity one of 'unique' or 'multiple'

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create_index(Charstring fn,Charstring par,Charstring indtype,
            Charstring multiplicity)->Vector

Create index identifier on function named fn, see at parameter par, index type indtype, and multiplicity one of 'unique' or 'multiple'

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drop_index(Function f,Charstring par)->Integer

Remove index on function f at parameter par

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drop_index(Charstring fn,Charstring par)->Integer

Remove index on function named fn at parameter par

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extract_rows(Collection rows)->Bag of Vector